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Advisories

Rclone 1.64.0 before 1.75.2 serve webdav Authentication Bypass via OPTIONS Requests

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Severity
medium
Date
Affecting

  • rclone >= 1.64.0, < 1.75.2

CWE
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CVSS
6.9
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
sondt99, ncw
Description
Rclone from 1.64.0 before 1.75.2 contains an authentication bypass vulnerability in serve webdav that lets unauthenticated attackers skip authentication by sending OPTIONS requests. Attackers can probe arbitrary paths and compare Allow header values to determine whether files or collections exist, enabling namespace enumeration.

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